Manufacturing Process Automation Flashcards
7 cards from real BSIE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Manufacturing Process Automation flashcards as text
In a PID controller, what effect does increasing the integral gain (Ki) have on system response?
Answer: Reduces steady-state error but may cause overshoot and instability
Increasing integral gain eliminates steady-state error by accumulating past errors, but too much can cause oscillation and instability due to integral windup.
What is the function of a resolver in a CNC machine tool?
Answer: Measuring angular position of a rotating shaft
A resolver is a rotary sensor that measures the angular position and velocity of a shaft, providing feedback for closed-loop servo control in CNC machines.
Which manufacturing automation level in the ISA-95 hierarchy model is concerned with production scheduling and resource management?
Answer: Level 3 — Manufacturing Operations Management (MES)
Level 3 (MES) handles production scheduling, resource management, quality management, and performance analysis on the shop floor.
In automated assembly, what is the purpose of a vibratory bowl feeder?
Answer: Orienting and feeding small parts in a consistent attitude to assembly stations
A vibratory bowl feeder uses vibration and specially designed tracks to sort, orient, and deliver small parts in a uniform position and direction to automated assembly equipment.
What does OEE (Overall Equipment Effectiveness) measure in a manufacturing plant?
Answer: The product of availability, performance, and quality rates
OEE = Availability × Performance × Quality, providing a composite measure of how effectively manufacturing equipment is utilized.
Which sensor technology is best suited for detecting metallic objects regardless of color or surface finish in an automated conveyor system?
Answer: Inductive proximity sensor
Inductive proximity sensors generate an electromagnetic field that detects metallic objects based on eddy current losses, making them insensitive to color, surface finish, or contamination.
In computer-integrated manufacturing (CIM), what is the role of CAM (Computer-Aided Manufacturing)?
Answer: Generating machine tool paths and NC programs from CAD models
CAM software translates CAD geometry into specific machine tool paths, feeds, speeds, and NC code to drive CNC machines and other automated manufacturing equipment.